Use Gorilla middleware (refactoring)

http/middleware/basic_auth.go

@@ -1,72 +0,0 @@
-// Copyright 2017 Frédéric Guillot. All rights reserved.
-// Use of this source code is governed by the Apache 2.0
-// license that can be found in the LICENSE file.
-
-package middleware
-
-import (
-	"context"
-	"net/http"
-
-	"github.com/miniflux/miniflux/logger"
-	"github.com/miniflux/miniflux/storage"
-)
-
-// BasicAuthMiddleware is the middleware for HTTP Basic authentication.
-type BasicAuthMiddleware struct {
-	store *storage.Storage
-}
-
-// Handler executes the middleware.
-func (b *BasicAuthMiddleware) Handler(next http.Handler) http.Handler {
-	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("WWW-Authenticate", `Basic realm="Restricted"`)
-		errorResponse := `{"error_message": "Not Authorized"}`
-
-		username, password, authOK := r.BasicAuth()
-		if !authOK {
-			logger.Debug("[Middleware:BasicAuth] No authentication headers sent")
-			w.WriteHeader(http.StatusUnauthorized)
-			w.Write([]byte(errorResponse))
-			return
-		}
-
-		if err := b.store.CheckPassword(username, password); err != nil {
-			logger.Info("[Middleware:BasicAuth] Invalid username or password: %s", username)
-			w.WriteHeader(http.StatusUnauthorized)
-			w.Write([]byte(errorResponse))
-			return
-		}
-
-		user, err := b.store.UserByUsername(username)
-		if err != nil {
-			logger.Error("[Middleware:BasicAuth] %v", err)
-			w.WriteHeader(http.StatusInternalServerError)
-			w.Write([]byte(errorResponse))
-			return
-		}
-
-		if user == nil {
-			logger.Info("[Middleware:BasicAuth] User not found: %s", username)
-			w.WriteHeader(http.StatusUnauthorized)
-			w.Write([]byte(errorResponse))
-			return
-		}
-
-		logger.Info("[Middleware:BasicAuth] User authenticated: %s", username)
-		b.store.SetLastLogin(user.ID)
-
-		ctx := r.Context()
-		ctx = context.WithValue(ctx, UserIDContextKey, user.ID)
-		ctx = context.WithValue(ctx, UserTimezoneContextKey, user.Timezone)
-		ctx = context.WithValue(ctx, IsAdminUserContextKey, user.IsAdmin)
-		ctx = context.WithValue(ctx, IsAuthenticatedContextKey, true)
-
-		next.ServeHTTP(w, r.WithContext(ctx))
-	})
-}
-
-// NewBasicAuthMiddleware returns a new BasicAuthMiddleware.
-func NewBasicAuthMiddleware(s *storage.Storage) *BasicAuthMiddleware {
-	return &BasicAuthMiddleware{store: s}
-}